Properties Of Solids And Liquids Question 167

Question: Two capillaries made of the same material with radii $ r _{1}=1mm $ and $ r _{2}=2mm $ . The rise of the liquid in one capillary ($ r _{1}=mm $ ) is 30 cm, then the rise in the other will be [MP PET 1991]

Options:

A) 7.5 cm

B) 60 cm

C) 15 cm

D) 120 cm

Show Answer

Answer:

Correct Answer: C

Solution:

$ \frac{h _{2}}{h _{1}}=\frac{r _{1}}{r _{2}}=\frac{1}{2}\Rightarrow h _{2}=\frac{30}{2}=15cm $



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